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coins used to be made of copper and people used to melt them down and sell them as lumps of copper because they could make money from this because the copper coins were worth less as coins than as just lumps of copper because copper was fairly expensive
Copper is one of the few metals that is naturally colored (reddish-brown). It is an essential nutrient for humans and plays a role in the formation of red blood cells, maintenance of nerves, and immune function. Copper is also a good conductor of electricity and is commonly used in electrical wiring and circuitry. Additionally, it has been used by humans for over 10,000 years, making it one of the oldest metals known to civilization.
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What are some common compounds in which copper is found?
Some common compounds in which copper is found include copper sulfate, copper oxide, copper carbonate, and copper hydroxide. Copper is also commonly found as a component in minerals like chalcopyrite and malachite.
What are the compounds of copper?
Some common compounds of copper include copper(II) sulfate, copper(II) chloride, copper(II) oxide, and copper(II) nitrate. Copper also forms compounds with other elements such as oxygen, sulfur, and carbon.
Intresting facts about argon?
Argon is a noble gas that is colorless, odorless, and non-reactive. It is the third most abundant gas in Earth's atmosphere. Argon is commonly used in industries such as welding, electronics, and lighting.
What metals are not silver gray in color?
Some metals that are not silver gray in color include gold (yellow), copper (orange-red), brass (yellow-brown), and bronze (reddish-brown).
What percent copper is a copper pipe?
A copper pipe is typically made of around 99.9% pure copper, with some small variations depending on the specific grade or alloy used in its construction.
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